Merge #1999: fix(ci): pin [email protected] to 0.5.10 on MSRV

87399b1 fix(ci): pin `[email protected]` to `0.5.10` (Leonardo Lima)

Pull request description:

  ### Description

  It pins the `[email protected]` to `0.5.10` in order to fix the MSRV CI step.

  ### Changelog notice

  - Update the `ci/pin-msrv.sh` to also pin `[email protected]` to `0.5.10` version.

  ### Checklists

  #### All Submissions:

  * [x] I followed the [contribution guidelines](https://github.com/bitcoindevkit/bdk/blob/master/CONTRIBUTING.md)

ACKs for top commit:
  ValuedMammal:
    ACK 87399b1
  LagginTimes:
    ACK 87399b1

Tree-SHA512: 739345cdc7c6f51b77f9a6bcb9b8abafcb5bbec3142674f94eaa5394e9a83643de27cbc62e7962790352be17f7c4cc3812844054c7d01b129aace1bb100b3b97

Author: oleonardolima

ci/pin-msrv.sh

@@ -29,3 +29,4 @@ cargo update -p base64ct --precise "1.6.0"
 cargo update -p minreq --precise "2.13.2"
 cargo update -p tracing-core --precise "0.1.33"
 cargo update -p [email protected] --precise "1.0.1"
+cargo update -p [email protected] --precise "0.5.10"